Huawei SUN2000-75KTL Series User Manual page 124

SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual
Alarm Alarm
ID Name
2034 Grid
Overvolt
age
2035 Grid
Volt.
Imbalan
ce
Issue 11 (2021-11-10)
Alarm Possible Causes
Severit
y
Major Cause ID = 1
The grid voltage exceeds the
upper threshold or the
overvoltage duration exceeds the
time that triggers high voltage
ride-through (HVRT).
Major Cause ID = 1
The difference between grid
phase voltages exceeds the upper
threshold.
Copyright © Huawei Technologies Co., Ltd.
8 Maintenance
Suggestions
1. Check whether the grid
connection voltage exceeds
the upper threshold. If yes,
contact the local power
operator.
2. If you have confirmed that
the grid connection voltage
exceeds the upper
threshold and have
obtained the consent of
the local power operator,
modify the overvoltage
protection threshold.
3. Check whether the peak
grid voltage exceeds the
upper threshold.
1. Check that the grid voltage
is within the normal range.
2. Check that the AC output
power cable is correctly
connected. If the AC output
power cable is correctly
connected, yet the alarm
persists and affects the
energy yield of the PV
plant, contact the local
power operator.
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